Home / 1,423,606.32-1,964,758.68-819,994.32

Finding the Fourth Proportional to 1,423,606.32, 1,964,758.68 and 819,994.32

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Solution

The fourth proportional to 1,423,606.32, 1,964,758.68 and 819,994.32 is: 1,131,696.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,423,606.32 : 1,964,758.68 = 819,994.32 : x
  2. Step 2: Convert to fraction form
    1,423,606.32/1,964,758.68 = 819,994.32/x
  3. Step 3: Cross multiply
    1,423,606.32x = 1,964,758.68 × 819,994.32
  4. Step 4: Simplify right side
    1,423,606.32x = 1,611,090,957,770.70
  5. Step 5: Solve for x
    x = 1,611,090,957,770.70/1,423,606.32
  6. Step 6: Final answer
    x = 1,131,696.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.